mStation|mophie announced the new juice pack air, the world's thinnest apple-certified external battery for iPhone 3G, is ready for pre-order. The Juice Pack Air is a lot thinner than the Juice Pack for the iPhone 3G but it's 600mAh less than the Juice Pack. Here is more info on the mophie juice pack air:

The rechargeable 1200 mAH lithium polymer battery housed in an ultra-thin case virtually doubles the amount of time you have to rock, talk, surf, and send. Juice pack air will be available to consumers world-wide this spring at Apple stores and mophie.com for $79.95 in Black, White, and Purple. http://www.mophie.com/products/juice-pack-air

Juice pack air features an innovative ?standby mode? that allows users to control when they want to take advantage of additional battery support versus simply using it as a protective case. The integrated 4 LED charge status indicates how much juice is remaining in the external battery. Unique pass-through design allows users to simultaneously charge their juice pack air and sync their iPhone 3G with iTunes with the included USB cable.

Additional Battery Time Provided by juice pack air

Standby Time: Up to 270 hoursTalk Time: Up to 4.5 hours (3G) Up to 9 hours (2G)Internet Use: Up to 4.5 hours (3G) Up to 5.4 Hours (Wi-Fi)Audio Playback: Up to 20 hoursVideo Playback: Up to 6 hours

The mophie juice pack air will be available at Apple stores and mophie.com this spring with an MSRP of $79.95. For more information, please visit www.mophie.com